eutherian

American  

[yoo-theer-ee-uhn] / juˈθɪər i ən /

adjective

1. belonging or pertaining to the group Eutheria, comprising the placental mammals.

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noun

1. a eutherian animal.

eutherian British  

/ juːˈθɪərɪən /

adjective

1. of, relating to, or belonging to the Eutheria, a subclass of mammals all of which have a placenta and reach an advanced state of development before birth. The group includes all mammals except monotremes and marsupials

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noun

1. any eutherian mammal

Etymology

Origin of eutherian

1875–80; < New Latin Eutheri ( a ) (< Greek eu- eu- + thēría, plural of thēríon wild beast) + -an

Example Sentences

See Examples For:

eutherian

It, or perhaps another closely related eutherian, was our ancestor.

From Scientific American ● May 17, 2022

Some of the archaic species, such as taeniodonts, might have stemmed from Cretaceous eutherian ancestors and thus would be among the most primitive placentals on the trunk of the family tree.

From Scientific American ● May 17, 2022

Of the ~1.1 million constrained elements that arose during the 90 million years between the divergence from marsupials and the eutherian radiation, we can trace >19% to mobile element exaptations.

From Nature ● Oct. 26, 2011

Many eutherian elements are thus probably missing from previous maps of vertebrate constraint.

From Nature ● Oct. 26, 2011

"At 160 million years old," he explains, " is now the oldest known eutherian, preceding the previous record-holder, Eomaia, by about 35 million years."

From Science Magazine ● Aug. 24, 2011